Switch "read_tree_recursive()" over to tree-walk functionality
[gitweb.git] / git-pull.sh
index e23d4f559790fed079bb5759fd5aa11a8804f191..4611ae644e08e4ab115633ab86f1f02976663169 100755 (executable)
@@ -4,11 +4,9 @@
 #
 # Fetch one or more remote refs and merge it/them into the current HEAD.
 
-. git-sh-setup || die "Not a git archive"
-
-usage () {
-    die "git pull [-n] [--no-commit] [-s strategy]... <repo> <head>..."
-}
+USAGE='[-n | --no-summary] [--no-commit] [-s strategy]... [<fetch-options>] <repo> <head>...'
+LONG_USAGE='Fetch one or more remote refs and merge it/them into the current HEAD.'
+. git-sh-setup
 
 strategy_args= no_summary= no_commit=
 while case "$#,$1" in 0) break ;; *,-*) ;; *) break ;; esac
@@ -33,6 +31,9 @@ do
                esac
                strategy_args="${strategy_args}-s $strategy "
                ;;
+       -h|--h|--he|--hel|--help)
+               usage
+               ;;
        -*)
                # Pass thru anything that is meant for fetch.
                break
@@ -54,9 +55,17 @@ then
        # First update the working tree to match $curr_head.
 
        echo >&2 "Warning: fetch updated the current branch head."
-       echo >&2 "Warning: fast forwarding your working tree."
+       echo >&2 "Warning: fast forwarding your working tree from"
+       echo >&2 "Warning: $orig_head commit."
+       git-update-index --refresh 2>/dev/null
        git-read-tree -u -m "$orig_head" "$curr_head" ||
-               die "You need to first update your working tree."
+               die 'Cannot fast-forward your working tree.
+After making sure that you saved anything precious from
+$ git diff '$orig_head'
+output, run
+$ git reset --hard
+to recover.'
+
 fi
 
 merge_head=$(sed -e '/ not-for-merge   /d' \
@@ -69,10 +78,18 @@ case "$merge_head" in
        exit 0
        ;;
 ?*' '?*)
-       strategy_default_args='-s octopus'
+       var=`git-repo-config --get pull.octopus`
+       if test -n "$var"
+       then
+               strategy_default_args="-s $var"
+       fi
        ;;
 *)
-       strategy_default_args='-s resolve'
+       var=`git-repo-config --get pull.twohead`
+       if test -n "$var"
+        then
+               strategy_default_args="-s $var"
+       fi
        ;;
 esac